140399-49-1 2H-1-Benzopyran-2-one, 3-[(triphenylphosphoranylidene)acetyl]-

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Basic

CAS No. 140399-49-1
Product Name 2H-1-Benzopyran-2-one, 3-[(triphenylphosphoranylidene)acetyl]-
Molecular Formula C29H21O3P

Physical property